Issues

• Parser.keyword should take the lookahead predicate as arg

  breaking
  gren-lang/core#171 · Filter by author robinheghan opened on Oct 3, 2026

• Rename withDefaultLazy to recover

  breakingenhancement
  gren-lang/core#170 · Filter by author robinheghan opened on Oct 3, 2026

• Change Array.initialize to take size and offset as a record

  breaking
  gren-lang/core#168 · Filter by author robinheghan opened on Oct 1, 2026

• Json.Encode.object and Json.Encode.dict drop a member named __proto__

  bug
  gren-lang/core#162 · Filter by author gilramir opened on Sep 24, 2026

• Json.Decode.int accepts 1e400 and answers an Int that is Infinity

  bug
  gren-lang/core#160 · Filter by author gilramir opened on Sep 24, 2026

• Json.Decode.field succeeds on arrays, and on inherited properties of objects

  bug
  gren-lang/core#159 · Filter by author gilramir opened on Sep 24, 2026

• String.words of a string with no words in it returns a 1-member Array instead of an empty Array

  bug
  gren-lang/core#151 · Filter by author gilramir opened on Sep 13, 2026

• Random.int uses its range modulo 2^32: wide ranges silently narrow, and 2^32 + 1 returns the low end of its range forever

  bug
  gren-lang/core#147 · Filter by author gilramir opened on Sep 11, 2026

• Random 's PCG algorithm is incorrect: peel's multiply overflows float64

  bug
  gren-lang/core#146 · Filter by author gilramir opened on Sep 11, 2026

• compare on String orders UTF-16 code units, not characters

  gren-lang/core#143 · Filter by author gilramir opened on Sep 6, 2026
  2

• remainderBy 0 puts NaN in an Int, while its sibling modBy 0 kills the program

  bug
  gren-lang/core#141 · Filter by author gilramir opened on Sep 5, 2026
  1

• ^ with a negative exponent puts 0.5 and Infinity into an Int

  bug
  gren-lang/core#140 · Filter by author gilramir opened on Sep 5, 2026

• compare on floats is not an order, and a NaN key makes Dict lose entries it still lists

  bug
  gren-lang/core#139 · Filter by author gilramir opened on Sep 5, 2026

• Time.here is missing eras

  gren-lang/core#124 · Filter by author sldab opened on Feb 9, 2026
  17

• Is it possible to add Stream.waitForLock?

  gren-lang/core#114 · Filter by author robinheghan opened on Jul 25, 2025
  1

• Add Sub.keepIf and Sub.mapAndKeepJust

  gren-lang/core#112 · Filter by author robinheghan opened on Jul 24, 2025

• Change runtime representation of Bytes to UInt8Array

  gren-lang/core#111 · Filter by author robinheghan opened on Jul 24, 2025

• cross-platform HttpClient

  gren-lang/core#110 · Filter by author robinheghan opened on Jul 18, 2025
  2

• Cross-platform HTML module

  gren-lang/core#109 · Filter by author robinheghan opened on Jul 18, 2025

• Add Task.onComplete

  gren-lang/core#86 · Filter by author robinheghan opened on Jun 26, 2024

• modBy crashes if given a zero

  gren-lang/core#85 · Filter by author boxed opened on Apr 29, 2024
  5

• Provide a way to unmount, or cleanup, a Gren application once it's started

  enhancement
  gren-lang/core#36 · Filter by author robinheghan opened on Sep 17, 2022

• "weird math because of js"

  bug
  gren-lang/core#33 · Filter by author lue-bird opened on Aug 8, 2022

• == on Values of different shape misbehaves

  gren-lang/core#42 · Filter by author lue-bird opened on Aug 8, 2022

• ports inside Cmd.batch are called asynchronously

  bug
  gren-lang/core#31 · Filter by author lue-bird opened on Aug 8, 2022